CVE-2025-5277: aws-mcp-server MCP server is vulnerable to command injection. An attacker can craft a prompt that once accessed by the M
Summary
CVE-2025-5277 is a command injection vulnerability (a flaw where an attacker can trick a program into running unwanted commands) in aws-mcp-server, an MCP server (a software tool that helps AI systems interact with AWS cloud services). An attacker can craft a malicious prompt that, when accessed by an MCP client (a program that connects to the server), executes arbitrary commands on the host system, with a critical severity rating of 9.4.
Vulnerability Details
9.6(critical)
EPSS: 0.1%
Classification
Affected Vendors
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Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-5277
First tracked: February 15, 2026 at 08:52 PM
Classified by LLM (prompt v3) · confidence: 85%